1072872 has 32 divisors (see below), whose sum is σ = 2980800. Its totient is φ = 357552.

The previous prime is 1072867. The next prime is 1072901. The reversal of 1072872 is 2782701.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (93150).

2^1072872 is an apocalyptic number.

1072872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1072872 is an abundant number, since it is smaller than the sum of its proper divisors (1907928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072872 is a wasteful number, since it uses less digits than its factorization.

1072872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1072872 is about 1035.7953465816. The cubic root of 1072872 is about 102.3723415698.

The spelling of 1072872 in words is "one million, seventy-two thousand, eight hundred seventy-two".